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Finding the Fourth Proportional to 184,474.68, 254,575.34 and 107,979.88

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Solution

The fourth proportional to 184,474.68, 254,575.34 and 107,979.88 is: 149,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,474.68 : 254,575.34 = 107,979.88 : x
  2. Step 2: Convert to fraction form
    184,474.68/254,575.34 = 107,979.88/x
  3. Step 3: Cross multiply
    184,474.68x = 254,575.34 × 107,979.88
  4. Step 4: Simplify right side
    184,474.68x = 27,489,014,664.16
  5. Step 5: Solve for x
    x = 27,489,014,664.16/184,474.68
  6. Step 6: Final answer
    x = 149,012.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.